Cited by 125Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyHypothalamic control of reproductive hormones

The oxytocin antagonist d(CH2)5Tyr(Me)-Orn8-vasotocin inhibits male copulatory behaviour in rats

Argiolas, Antonio, Collu, Maria, Gessa, Gian Luigi, Melis, Maria Rosaria, Serra, Gino·1988·European Journal of Pharmacology

Abstract

The effect of an intracerebroventricular (i.c.v.) injection of the oxytocin antagonist, d(CH2)5Tyr(Me)-Orn8-vasotocin, on the copulatory behaviour of vigorous male rats in the presence of females in estrus was studied. The peptide (2.5, 25 and 50 ng, 15 min before mating tests) decreased the number of mounts and intromissions, and abolished ejaculation almost completely at all doses tested. The peptide failed to significantly influence motor activity at the doses used. The results support the hypothesis that central oxytocin plays a physiological role in the expression of copulatory behaviour.

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Crossref · 10.1016/0014-2999(88)90675-9

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Authors
Argiolas, A., Collu, M., Gessa, G. L., Melis, M. R., & Serra, G.
Affiliations
University of Cagliari (IT)
Corresponding author
Argiolas, Antonio
Venue
European Journal of Pharmacology
Publisher
Elsevier BV
Published
1988-05
Volume
149
Issue
3
Pages
389-392
ISSN
0014-2999 (ISSN-L)
OpenAlex
W2010624346
Cited by
125
References
10
Citations by year
2021: 1 · 2020: 4 · 2018: 6 · 2017: 3 · 2016: 6 · 2015: 2 · 2014: 4 · 2013: 7 · 2012: 2
FWCI
9.80
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • UNICA IRIS Institutional Research Information System (University of Cagliari) (submittedVersion)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
oxytocin antagonist, arginine vasotocin, ejaculation, intromission, mounting behavior, intracerebroventricular administration, mating behavior, rats
MeSH terms
Animals, Copulation, Depression, Chemical, Male, Motor Activity, Oxytocin, Rats, Inbred Strains, Sexual Behavior, Animal, Rats

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